In the mid 1800s Thomas Edison created the first phonograph, which allowed for the first time recording and playback of sound. Even though there is no direct evidence that it was based on the design, the phonautograph had come out not much before but only permitted waveforms to be recorded. He first experimented utilizing tin foil wrapped around a cylinder since it is easily imprinted and maintains the grooves.
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Monday, April 16, 2012
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